44results about How to "Keep security" patented technology

The invention relates to the field of preparation of lithium ion batteries, in particular to a wetting method of a high-capacity high-pressure negative electrode lithium ion battery. On the basis of high temperature wetting, Vacuum injection, high temperature shelving, pre-forming, high temperature shelving, secondary injection sealing and continuous forming are adopted in six phases to fully soakthe high-capacity high-pressure negative electrode. Firstly, the advantages of high-efficiency high-temperature soaking are retained, and two high-temperature shelves are used before and after the high-temperature soaking, which reduces the soaking time and waiting time and saves the time cost. 2, that pre-forming and the continuous for processes are added to enhance the adsorption capacity of the high-capacity high-pressure solid negative electrode to the electrolyte, and the phenomenon of lithium precipitation in the charge-discharge process is avoided; The cycle life of high-capacity high-pressure lithium ion battery is prolonged.

The invention relates to the technical field of full-biodegradable films, in particular to a full-biodegradable antibacterial PLA / PBAT film and a preparation method thereof. The full-biodegradable antibacterial PLA / PBAT film is prepared from the following raw materials in parts by weight: 65 to 85 parts of PLA, 15 to 35 parts of PBAT, 8 to 15 parts of a composite antibacterial agent, 2 to 5 parts of a coupling agent, 0.1 to 0.5 part of a lubricating agent and 0.3 to 0.8 part of an antioxidant, wherein the composite antibacterial agent is prepared from epsilon-polylysine hydrochloride and talcum powder through a modification preparation method. According to the fully-biodegradable antibacterial PLA / PBAT film provided by the invention, two fully-biodegradable polymers PLA and PBAT are selected as matrixes, and inorganic filler talcum powder is adopted as a carrier to disperse an antibacterial active center epsilon-polylysine hydrochloride, so the PLA / PBAT film becomes a fully-biodegradable novel composite material with excellent mechanical properties and antibacterial properties.

The invention discloses a blockchain-based trade document management system and a blockchain-based trade document management method. The blockchain-based trade document management system comprises a trade blockchain, and a trade platform, a demander node, a financing node, a supervision node and a block verification unit which are connected with the trade blockchain through a network, wherein thetrade blockchain is used for storing original trade information and trade process documents related to financing and supervision in the form of blocks; the trade platform, the demander node, the financing node and the supervision node insert block data of the original trade information and the trade process documents into the trade blockchain; and the block verification unit is used for performinginformation tampering and information integrity verification on the block data. Thus, the technical purposes of applying the blockchain technology in the trade circulation field so that information of independent institutions such as demander and supplier, financing, taxation and supervision is shared safely, storing the trade process documents generated in the approval and audit processes and the original trade information separately, and performing tampering verification and integrity checking can be achieved.

The invention discloses a user name password authentication method implemented on the basis of a public key algorithm. According to the user name password authentication method, the public key algorithm is introduced in the authenticating process; the authentication is implemented by using the public key algorithm; a user password is not directly used for authenticating, but is used for protecting a private key of a user. According to the invention, on the premise of not increasing the authentication difficulty of the user, safety of a user name password authentication mode is improved and a rainbow table attack can be effectively resisted.

The invention relates to a preparation method of a low-emission thermal insulation film for laminated glass. The preparation method is characterized by taking a PVC film, a PET film, a PP film or a BOPP film as a carrier, and adding a treatment agent (2) with the concentration of 1-5% to waterborne resin and acetone, butyl acetate or ethanol or to a mixed solution thereof to obtain surface treatment solution to be applied to a surface of the low-emission thermal insulation film; or performing hot pressing on the surface at the temperature of about 50-120DEG C and the pressure of about 1-3kg / cm; or modifying the film surface by means of corona or a combination of the methods; and making coating by purchased or self-made ATO, tin indium oxide or tin oxide or combination paste thereof as well as waterborne acrylic resin, waterborne polyurethane resin or waterborne epoxy resin and applying the coating to the film to form a thermal insulation reflector which is closely adhered to the film; and then adding a treatment agent (1) to the waterborne acrylic resin to make treatment solution, and performing secondary treatment on the film surface with the thermal insulation reflector and the film surface without the thermal insulation reflector so as to obtain the low-emission thermal insulation PVB film closely adhered to the laminated glass.

The invention discloses a private transaction processing method, a public node, a transaction related node and a public block chain system. The method comprises the following steps: initiating a transaction; generating a symmetric encryption key, and encrypting transaction contents in the transaction content field of the transaction by using the symmetric encryption key to obtain first encrypted data; respectively encrypting the symmetric encryption keys by using the public keys of all transaction related nodes needing to execute the transaction to obtain second encrypted data; Packaging the first encrypted data and the second encrypted data, and uploading the packaged data to a distributed storage system; Receiving a Hash value returned by the distributed storage system; Filling the Hashvalue into the transaction content field; Broadcast transactions. According to the method provided by the invention, the security and reliability of a large number of nodes of the public block chain system can be reserved, and the privacy data of the user can be effectively ensured.

A multiple charging unit for charging different batteries and / or electronic devices at the same time. The charging units can be removably interchangeable from a housing unit or relatively fixed into the housing unit, and can be adapted to attach a variety of batteries and / or electronic devices. The charging units can also work in conjunction with a communication unit to allow attached electronic devices to communicate with other attached electronic devices or an outside electronic device. The multiple charging unit can also have a data retention unit to store data from attached electronic devices and / or transmit stored data to attached electronic devices.

A Tm doped YAlO3 laser crystal has a molecular formula: Tm: YAlO3. It is prepared through calcining raw materials, proportional mixing by grinding, hydraulic pressing to become block, putting in Ir crucible, sintering at 1300 deg.C for solid-phase reaction, smelting at 1900 deg.C under protection of inertial gas, and growing Tm:YAP crystal at 1900 deg.C while pulling up at 1.5 mm / hr and 25 rpm. It can emit 2 microns band which is safety to human eyes.

A data protection system and method apply to a computer device. The computer device links to a data protection system. The data protection system contains or links to at least two storage units. The data protection method partitions all the storage units into two blocks, and one block functions as an active memory zone, and another block functions as a backup memory zone. In each cycle of data backup, a portion of the operating storage units are backuped to the storage units in the backup memory zone. Then, the role of the storage units that have been backuped and the role of the storage units that have backuped data interchange with the active memory zone and the backup memory zone respectively having original numbers of the storage units. When one storage unit malfunctions, data can be retrieved from another storage unit and written back to the malfunctioning storage unit. In the present invention, the storage units alternately backup data. Thereby, the storage units are averagely used, and the service lives thereof are prolonged, and data intactness is guaranteed. In the present invention, a mirror-technology is used to backup data and maintain the correctness and security of data. Therefore, the present invention can provide an effective data protection method.

The invention discloses a noninvasive neuromuscular electrical stimulation device which can realize accurate, intelligent, extensible and noninvasive neuromuscular stimulation and is safe and reliable. The device comprises a power interface, a channel shared interface, an address interface, a combined channel switching unit, a bus interface, a waveform digital prescription unit, a high speed data processing unit, a waveform generation unit, a voltage and current adjusting unit, a high-voltage pulse unit, a working module switching unit, a voltage and current detection unit, a skin impedance processing unit, an electrode identification unit, a first electrical stimulation channel, a first electrode slice, a second electrical stimulation channel and a second electrode slice.

Disclosed is a lamp (1) comprising a driver circuit board (16) and a base (2) which are electrically connected to one another by a plug connector (3, 17). The invention applies to semiconductor lamps, for example, especially LED lamps, in particular retrofit lamps, e.g. to replace conventional incandescent lamps or halogen lamps.

A system and method for encrypting an electronic file in a mobile electronic device reads bytes of the electronic file from a cache of a memory system and divides the bytes into a plurality of byte lines. The system and method further assigns a numerical cipher to each byte line and searches a position of each numerical cipher in a corresponding byte line. Furthermore, the system and method encrypt each byte line by inserting one or more random bytes into each byte line, and generates an encrypted electronic file by combining all the encrypted byte lines.

The invention discloses a face identification intelligent greeting method. The method comprises the following steps: guests can be registered at a reception through a guest terminating machine; afterguest registration is completed, the guest is introduced into an identification scope of a camera, the camera is used for taking pictures of the guests, a face image with best quality is extracted from a video stream transmitted by the camera by a face identification server, the face identification server compares a snapshotted head portrait with a photograph in a database; whether a door is opened or not is determined according to the comparison result, if the comparison is consistent, identification success is prompted, the doors can be simultaneously opened, if the comparison is inconsistent, the identification inconsistency is promoted, and the door cannot be opened. The invention provides a face identification intelligent greeting system. The original face identification gate inhibition security is kept, the access convenience is increased, a dynamic non-cooperation mode is employed for face verification, compared with a traditional card-swiping gate inhibition mode, the system ismore convenient, and due to uniqueness of the face characteristics, the problems of certificate forgetting and false certificate can be solved.

A control unit 112 of an image forming apparatus generates a first image pattern in which a user information authenticated by an authentication processing unit 113 and an application information concerned with a predetermined application that can be used in the image forming apparatus by the user authenticated are embedded, and displays the first image pattern on a display unit 105. A control unit 208 of a mobile terminal analyzes the first image pattern read out by a camera unit 203 from the display unit 105 of the image forming apparatus to derive the user information and the application information. Furthermore, the control unit 208 of the mobile terminal displays, on a display unit 201 of the mobile terminal, an operation image frame for use a predetermined application corresponding to the derived application information during a period of reading out of the first image pattern by the camera unit 203.

A firearm case which is attachable to a motorcycle comprises a frame the holds and encloses a firearm. The frame includes a firearm lock and latch that securely locks the firearm in place. A housing surrounds the frame as to enclose the frame and firearm, safe from the weather, theft and minor damage. An optional remotely operated control system unlocks the firearm case and the firearm lock simultaneously for quick and easy access to the firearm.

The invention relates to an extraction method for effective components of traditional Chinese medicine. The extraction method for effective components of the traditional Chinese medicine comprises the following steps: 1) adding the traditional Chinese medicine into sufficient water for soaking, adding maltose and glycoside synthetase at the same time in a soaking process and keeping the temperature at 40 to 50 DEG C, wherein the traditional Chinese medicine comprises fructus crataegi, semen raphani, semen cassiae, dried tangerine or orange peel and herba lycopi; 2) decocting the soaked traditional Chinese medicine to get aqueous solution; 3) adding the glycoside synthetase to the aqueous solution after cooling, and conducting hydrolysis reaction at 40 to 50 DEG C to obtain hydrolysis solution; 4) filtering, concentrating and drying the hydrolysis solution under reduced pressure to get traditional Chinese medicine extract. The extraction method for effective components of the traditional Chinese medicine can improve the extraction rate of flavone in the traditional Chinese medicine by a water extraction method.

A storage system comprises multiple units with combined features for storing, transporting and accessing planar media. The system comprises a container (library unit), modules, and a transport case. The module has expandable linked pockets for separating and protecting planar media elements. The modules allow a library of the planar media to be partitioned and stored into identifiable units. The container has particular features for guiding modules into parallel locations and retaining the modules in a substantially upright and closed position. Each container is configured to accept a plurality of the modules for storage. Removed modules may be fanned open in an accordian fashion exposing stored media for access. The modules are adapted to operate stand alone and adapted for inserting into and coupling to the covers of the transport case such that opening the transport case in-turn fans open the module allowing access for media retrieval or storage.

An annular plug easy to plug out is characterized by comprising a plug body and a hollow structure, wherein a wire is arranged on an upper end surface of the plug body, an insertion piece is arrangedon a lower end surface of the plug body, the hollow structure is arranged on the plug body, and the hollow structure is arranged at a middle position of the plug body and penetrates through the plug body. The technical scheme has the beneficial effects that the annular plug easy to plug out is disclosed, the original functional property and the safety of the plug are maintained, various users areconvenient, particularly for crowd with insufficient strength such as middle-aged and senior people, and the plug is easily plugged out in a labor-saving way under an application scene when the plug is plugged out from a socket at a lower position or a gap.

Chinese medicine for treating children's infantile malnutrition and preparation method, which is prepared from the following raw materials (by weight portions): white atractylodes rhizome 60-120g, lotus seed 60-120g, root of herbaceous peony 40-100g, oyster 20-80g, dragon's bone 20-80g, dried orange peel 20-80g, malt 30-90g, rice sprout 30-90g, chicken's gizzard-skin 10-50g, beach silvertop root 60-120g, stellaria root 30-90g, seeds of Chinese arborvitae 10-40g, toosendan fruit 10-40g, Chinese date 20-80g and licorice root 15-45g.

A power circuit interrupting device including a first housing including a pair of fixed electrodes and a fuse having terminals at both ends thereof, and a second housing including a moveable electrode, the moveable electrode interrupting electrical connection between the fixed electrodes when the second housing is uncoupled from the first housing, and establishing the electrical connection between the fixed electrodes when the second housing is coupled with the first housing. The first housing has an opening provided for carrying out a continuity test for the fuse. The opening is always covered with the second housing in a condition that continuity of a circuit is allowed. The power circuit interrupting device serves to facilitate the continuity test for the fuse built therein and comply with such a maintenance procedure that the continuity test should be carried out after interrupting continuity of the power circuit.

The invention relates to the technical field of manufacturing a concave grass bedding, in particular to a manufacturing technique of a concave grass bedding. The manufacture technique comprises the steps of paving, pressing and packing; lapping amount is set to be 200-350mm; working pressure is set to be 4-5 times the supporting pressure of the grass bedding; a pressure sensor is used for measuring and displaying the pressure applied to each part of the concave grass bedding and sending the pressure to a PLC controller; the pressure applied to each part of the concave grass bedding and depressing position thereof are measured; when the grass amount paved, pressure and position are adjusted to be equal to the values set, pressure application is stopped; after pressing, the steps of packing and perforation are carried out. A fabric cover is used for wrapping the concave grass bedding of which two end parts are paved with short grass additionally; the pressure sensor is arranged in a lower mould; a limit switch is arranged on a chassis; the sensor, a control panel and the PLC controller are connected with each other. The invention provides a concave grass bedding manufacturing technique with further improved technical parameters, which automatically detects the pressure and position, can ensure safe production and produce completely qualified products.

A system and method for encrypting an electronic file in a mobile electronic device reads bytes of the electronic file from a cache of a memory system and divides the bytes into a plurality of byte lines. The system and method further assigns a numerical cipher to each byte line and searches a position of each numerical cipher in a corresponding byte line. Furthermore, the system and method encrypt each byte line by inserting one or more random bytes into each byte line, and generates an encrypted electronic file by combining all the encrypted byte lines.

The invention discloses an antibacterial varicosity polytetrafluoroethylene face implant material and a preparation technology thereof. A base layer of the material consists of medical varicosity polytetrafluoroethylene, and an antibacterial function is prepared through the steps of performing surface modification on the base layer material and performing grafting with a macromolecule antibacterial agent. A specific preparation technology lies in that active site grafted acrylic is produced on the surface of the base layer material through activation pretreatment, then through a reaction of carboxyl functional groups of acrylic and with amino, a macromolecule type antibacterial agent is grafted, and antibacterial properties are given to the material. The antibacterial varicosity polytetrafluoroethylene face implant material disclosed by the invention is simple in technology and efficient, the prepared varicosity polytetrafluoroethylene face implant material has the characteristics of being good in bacteriostasis effects, safe and free from toxic and side effects, and can be widely applied to a face plastic surgery operation.

The smart suspension is compilation of air coils (air cylinder and air piston) as well as smart hydraulic shock absorber that in respect their roles are making comfort and improving vehicles balance. Regardless of the vehicle, the height adjustment system being used in smart suspension, adjusts the height and has the ability to drive in any desirable heights without losing a bit of comfort and safety (lowest to the highest elevations). There are two manual and automatic height adjustment systems, automatic system is being activated by disembarking passengers and manual system is set using the electronic key. These changes can range from 1 mm to 20 cm which in both conditions there would be no change in safety or any uncomfortable feeling.

The invention relates to a refitting device and method for quickly refitting an electronic lock into a wireless networking lock, and the electronic lock with the refitting device. The refitting device and method are mainly used for electronic locks. A power module is connected with a first plug-in module, a second plug-in module, a control module and a motor drive module. The positive electrode of a light-emitting diode of a first optocoupler is connected with the first plug-in module and the second plug-in module, and the negative electrode of the light-emitting diode of the first optocoupler is connected with one end of a third resistor. The other end of the third resistor is connected with the first plug-in module and the second plug-in module. The positive electrode of a light-emitting diode of a second optocoupler is connected with the negative electrode of the light-emitting diode of the first optocoupler, and the negative electrode of the light-emitting diode of the second optocoupler is connected with the positive electrode of the light-emitting diode of the first optocoupler. One end of a second resistor is connected with the collector electrode of a phototransistor of the first optocoupler, and the other end of the second resistor is connected with the control module. One end of a first resistor is connected with the collector electrode of a phototransistor of the second optocoupler, and the other end of the first resistor is connected with the control module.